chore: hide suggestions from chat input for message editing

Fixes eclipse-theia#15616

Author: planger

packages/ai-chat-ui/src/browser/ai-chat-ui-frontend-module.ts

@@ -87,7 +87,8 @@ export default new ContainerModule((bind, _unbind, _isBound, rebind) => {
         container.bind(AIChatTreeInputConfiguration).toConstantValue({
             showContext: true,
             showPinnedAgent: true,
-            showChangeSet: false
+            showChangeSet: false,
+            showSuggestions: false,
         } satisfies AIChatInputConfiguration);
         container.bind(AIChatTreeInputWidget).toSelf().inSingletonScope();
         const widget = container.get(AIChatTreeInputWidget);

packages/ai-chat-ui/src/browser/chat-input-widget.tsx

@@ -42,6 +42,7 @@ export interface AIChatInputConfiguration {
     showContext?: boolean;
     showPinnedAgent?: boolean;
     showChangeSet?: boolean;
+    showSuggestions?: boolean;
 }
 
 @injectable()
@@ -180,6 +181,7 @@ export class AIChatInputWidget extends ReactWidget {
                 showContext={this.configuration?.showContext}
                 showPinnedAgent={this.configuration?.showPinnedAgent}
                 showChangeSet={this.configuration?.showChangeSet}
+                showSuggestions={this.configuration?.showSuggestions}
                 labelProvider={this.labelProvider}
                 actionService={this.changeSetActionService}
                 decoratorService={this.changeSetDecoratorService}
@@ -289,6 +291,7 @@ interface ChatInputProperties {
     showContext?: boolean;
     showPinnedAgent?: boolean;
     showChangeSet?: boolean;
+    showSuggestions?: boolean;
     labelProvider: LabelProvider;
     actionService: ChangeSetActionService;
     decoratorService: ChangeSetDecoratorService;
@@ -593,7 +596,7 @@ const ChatInput: React.FunctionComponent<ChatInputProperties> = (props: ChatInpu
     const contextUI = buildContextUI(props.context, props.labelProvider, props.onDeleteContextElement, props.onOpenContextElement);
 
     return <div className='theia-ChatInput' onDragOver={props.onDragOver} onDrop={props.onDrop}    >
-        {<ChatInputAgentSuggestions suggestions={props.suggestions} opener={props.openerService} />}
+        {props.showSuggestions !== false && <ChatInputAgentSuggestions suggestions={props.suggestions} opener={props.openerService} />}
         {props.showChangeSet && changeSetUI?.elements &&
             <ChangeSetBox changeSet={changeSetUI} />
         }